7998016 has 28 divisors (see below), whose sum is σ = 17093692. Its totient is φ = 3691008.

The previous prime is 7998013. The next prime is 7998019. The reversal of 7998016 is 6108997.

It is an interprime number because it is at equal distance from previous prime (7998013) and next prime (7998019).

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 2689600 = 2304^2 + 1640^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7998016.

It is not an unprimeable number, because it can be changed into a prime (7998013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3975 + ... + 5638.

It is an arithmetic number, because the mean of its divisors is an integer number (610489).

Almost surely, 2^7998016 is an apocalyptic number.

It is an amenable number.

7998016 is an abundant number, since it is smaller than the sum of its proper divisors (9095676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7998016 is a wasteful number, since it uses less digits than its factorization.

7998016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638 (or 9628 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7998016 is about 2828.0763780351. The cubic root of 7998016 is about 199.9834652997.

The spelling of 7998016 in words is "seven million, nine hundred ninety-eight thousand, sixteen".